package com.njxzc.igo.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;



@WebFilter(filterName="Error404Filter",urlPatterns="/*")
public class Filter6_Error404Filter implements Filter{

	public void init(FilterConfig filterConfig) throws ServletException {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void doFilter(ServletRequest req, ServletResponse rep, FilterChain chain)
			throws IOException, ServletException {
		  HttpServletRequest request = (HttpServletRequest) req;  
	        HttpServletResponse response = (HttpServletResponse) rep;  
	        Error404ResponseWrapper responseWrapper = new Error404ResponseWrapper(this, response);  
	        chain.doFilter(request, responseWrapper);  
	        if (responseWrapper.isFound()) {  
	            return;  
	        }  
	        request.getRequestDispatcher("errorpage/404.jsp").forward(request, response);  
	}

	@Override
	public void destroy() {
		// TODO Auto-generated method stub
		
	}

}
